For a chance to win, follow @Sephora on Twitter and reply to the trivia question we ask on July 25, 2013 with #SephoraGiveaway in your tweet. All correct replies received within an hour of the trivia question are eligible to win. The grand-prize winner will be selected at random from the pool of correct replies. Watch your Twitter feed on July 25, 2013 to enter for a chance to win.